ftp.nice.ch/pub/next/tools/hack/SoundAndLight.N.bs.tar.gz#/SoundAndLight.N.bs/Source/SoundAndLight_main.m

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#import "SoundAndLight.h"

void main(int argc, char *argv[])
{    
    [[(NXApp = [SoundAndLight new]) run] free];
    exit(EXIT_SUCCESS);
}

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.